diff --git a/typescript/index.ts b/typescript/index.ts
index b1b5572c..26a42553 100644
--- a/typescript/index.ts
+++ b/typescript/index.ts
@@ -45,6 +45,7 @@ export const initRequestSchema = z.object({
   messages: z.array(messageSchema).min(1),
   tools: z.array(toolSchema).optional().nullable(),
   metadata: metadataSchema,
+  model_base_url: z.string().optional().nullable(),
 });
 
 export const statusInfoSchema = z.record(z.string(), z.any());
diff --git a/typescript/package.json b/typescript/package.json
index 986409e2..f39bd1ef 100644
--- a/typescript/package.json
+++ b/typescript/package.json
@@ -2,7 +2,7 @@
   "name": "eval-protocol",
   "module": "index.ts",
   "type": "module",
-  "version": "0.1.2",
+  "version": "0.1.3",
   "devDependencies": {
     "@types/bun": "latest",
     "openai": "^5.23.0"